From patchwork Thu Mar 15 14:35:53 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: poma X-Patchwork-Id: 10340 Received: from mail.tu-berlin.de ([130.149.7.33]) by www.linuxtv.org with esmtp (Exim 4.72) (envelope-from ) id 1S8Bmd-0001Om-DL for patchwork@linuxtv.org; Thu, 15 Mar 2012 15:36:03 +0100 X-tubIT-Incoming-IP: 209.132.180.67 Received: from vger.kernel.org ([209.132.180.67]) by mail.tu-berlin.de (exim-4.75/mailfrontend-3) with esmtp for id 1S8Bmb-0001yd-FN; Thu, 15 Mar 2012 15:36:03 +0100 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761265Ab2COOgA (ORCPT ); Thu, 15 Mar 2012 10:36:00 -0400 Received: from mail-bk0-f46.google.com ([209.85.214.46]:51289 "EHLO mail-bk0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1761209Ab2COOf6 (ORCPT ); Thu, 15 Mar 2012 10:35:58 -0400 Received: by bkcik5 with SMTP id ik5so2160998bkc.19 for ; Thu, 15 Mar 2012 07:35:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=message-id:date:from:user-agent:mime-version:to:subject:references :in-reply-to:content-type; bh=HgnVfdCPf8OY8ocNv4sI/wQQM2WLZyg+fF1LNkQA5/A=; b=lc1sl0WgrA2LUnHHC0GLecLDnLdweRB23xGDICUOOfMCrvQpPCxI72ofOvrlyMK6QB Ea11d2qja+BvcR3aDuhT67BVLgfFP0n23Mo4+7jpUwmFhdYs7jKNT0SXs9Pwc9FZBYSV vilPgr8aIDJ1tH1e40vI5EzR3i6ivlB7ERLbzYxG13cEpwWXUDq79GpquhYJ9Fl9XiIb Fb1tzszXe0lKwX6Wp316j3gRskfOChx5xZcUsUpGbvDCIsnXWQjoWYHk8VHwNs/femiy ik6jCc9Sb4vDQ/x53K0pxYk+DHgyZ237L7GbRW+uMyLVr96Wua56kmKJkeEX3HHmmtBO 5Wrw== Received: by 10.204.150.72 with SMTP id x8mr2611661bkv.60.1331822156758; Thu, 15 Mar 2012 07:35:56 -0700 (PDT) Received: from nuna.dma (iskon414.duo.carnet.hr. [31.147.97.158]) by mx.google.com with ESMTPS id o7sm4083015bkw.16.2012.03.15.07.35.54 (version=SSLv3 cipher=OTHER); Thu, 15 Mar 2012 07:35:55 -0700 (PDT) Message-ID: <4F61FE49.6010704@gmail.com> Date: Thu, 15 Mar 2012 15:35:53 +0100 From: poma User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:10.0.1) Gecko/20120216 Thunderbird/10.0.1 MIME-Version: 1.0 To: Hans-Frieder Vogt , linux-media@vger.kernel.org Subject: Re: [PATCH 1/3] Support for tuner FC0012 References: <201202222321.35533.hfvogt@gmx.net> In-Reply-To: <201202222321.35533.hfvogt@gmx.net> Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-PMX-Version: 5.6.1.2065439, Antispam-Engine: 2.7.2.376379, Antispam-Data: 2012.3.15.142716 X-PMX-Spam: Gauge=IIIIIIIII, Probability=9%, Report=' FORGED_FROM_GMAIL 0.1, FROM_NAME_ONE_WORD 0.05, HTML_00_01 0.05, HTML_00_10 0.05, MIME_TEXT_ONLY_MP_MIXED 0.05, BODY_SIZE_10000_PLUS 0, __ANY_URI 0, __BAT_BOUNDARY 0, __BOUNCE_CHALLENGE_SUBJ 0, __BOUNCE_NDR_SUBJ_EXEMPT 0, __CT 0, __CTYPE_HAS_BOUNDARY 0, __CTYPE_MULTIPART 0, __CTYPE_MULTIPART_MIXED 0, __FRAUD_WEBMAIL 0, __FRAUD_WEBMAIL_FROM 0, __FROM_GMAIL 0, __HAS_MSGID 0, __HAS_X_MAILING_LIST 0, __MIME_TEXT_ONLY 0, __MIME_VERSION 0, __MOZILLA_MSGID 0, __PHISH_SPEAR_STRUCTURE_1 0, __SANE_MSGID 0, __STOCK_PHRASE_7 0, __SUBJ_ALPHA_END 0, __TO_MALFORMED_2 0, __URI_NO_PATH 0, __URI_NO_WWW 0, __URI_NS , __USER_AGENT 0' On 02/22/2012 11:21 PM, Hans-Frieder Vogt wrote: > Support for the tuner Fitipower FC0012 > > Signed-off-by: Hans-Frieder Vogt > > diff -Nupr a/drivers/media/common/tuners/fc0012.c > b/drivers/media/common/tuners/fc0012.c > --- a/drivers/media/common/tuners/fc0012.c 1970-01-01 01:00:00.000000000 +0100 > +++ b/drivers/media/common/tuners/fc0012.c 2012-02-19 17:37:27.364482154 > +0100 > @@ -0,0 +1,430 @@ > +/* > + * Fitipower FC0012 tuner driver > + * > + * Copyright (C) 2012 Hans-Frieder Vogt > + * > + * This program is free software; you can redistribute it and/or modify > + * it under the terms of the GNU General Public License as published by > + * the Free Software Foundation; either version 2 of the License, or > + * (at your option) any later version. > + * > + * This program is distributed in the hope that it will be useful, > + * but WITHOUT ANY WARRANTY; without even the implied warranty of > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the > + * GNU General Public License for more details. > + * > + * You should have received a copy of the GNU General Public License > + * along with this program; if not, write to the Free Software > + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. > + */ > + > +#include > +#include "fc0012.h" > +#include "fc0012-priv.h" > + > +static int fc0012_debug; > +module_param_named(debug, fc0012_debug, int, 0644); > +MODULE_PARM_DESC(debug, "Select debug level (default: debug off)"); > + > +/* the FC0012 seems to have only byte access to the registers */ > +static int fc0012_writeregs(struct fc0012_priv *priv, u8 reg, u8 *val, int > len) > +{ > + u8 buf[1+len]; > + struct i2c_msg msg = { .addr = priv->addr, > + .flags = 0, .buf = buf, .len = sizeof(buf) }; > + > + buf[0] = reg; > + memcpy(&buf[1], val, len); > + > + msleep(1); > + if (i2c_transfer(priv->i2c, &msg, 1) != 1) { > + err("I2C write regs failed, reg: %02x, val[0]: %02x", > + reg, val[0]); > + return -EREMOTEIO; > + } > + return 0; > +} > + > +static int fc0012_writereg(struct fc0012_priv *priv, u8 reg, u8 val) > +{ > + u8 buf[2] = {reg, val}; > + struct i2c_msg msg = { .addr = priv->addr, > + .flags = 0, .buf = buf, .len = 2 }; > + > + msleep(1); > + if (i2c_transfer(priv->i2c, &msg, 1) != 1) { > + err("I2C write reg failed, reg: %02x, val: %02x", reg, val); > + return -EREMOTEIO; > + } > + return 0; > +} > + > +static int fc0012_readreg(struct fc0012_priv *priv, u8 reg, u8 *val) > +{ > + struct i2c_msg msg[2] = { > + { .addr = priv->addr, > + .flags = 0, .buf = ®, .len = 1 }, > + { .addr = priv->addr, > + .flags = I2C_M_RD, .buf = val, .len = 1 }, > + }; > + > + if (i2c_transfer(priv->i2c, msg, 2) != 2) { > + err("I2C read failed, reg: %02x", reg); > + return -EREMOTEIO; > + } > + return 0; > +} > + > +static int fc0012_release(struct dvb_frontend *fe) > +{ > + kfree(fe->tuner_priv); > + fe->tuner_priv = NULL; > + return 0; > +} > + > +static int fc0012_init(struct dvb_frontend *fe) > +{ > + struct fc0012_priv *priv = fe->tuner_priv; > + int ret = 0; > + u8 i; > + unsigned char reg[] = { > + 0x00, /* dummy reg. 0 */ > + 0x05, /* reg. 0x01 */ > + 0x10, /* reg. 0x02 */ > + 0x00, /* reg. 0x03 */ > + 0x00, /* reg. 0x04 */ > + 0x0a, /* reg. 0x05 CHECK: correct? */ > + 0x00, /* reg. 0x06: divider 2, VCO slow */ > + 0x0f, /* reg. 0x07 */ > + 0xff, /* reg. 0x08: AGC Clock divide by 256, AGC gain 1/256, Loop Bw > 1/8 */ > + 0x6e, /* reg. 0x09: Disable LoopThrough */ > + 0xb8, /* reg. 0x0a: Disable LO Test Buffer */ > + 0x83, /* reg. 0x0b: Output Clock is same as clock frequency */ > + 0xfe, /* reg. 0x0c: depending on AGC Up-Down mode, may need 0xf8 */ > + 0x02, /* reg. 0x0d: AGC Not Forcing & LNA Forcing, 0x02 for DVB-T */ > + 0x00, /* reg. 0x0e */ > + 0x00, /* reg. 0x0f */ > + 0x0d, /* reg. 0x10 */ > + 0x00, /* reg. 0x11 */ > + 0x1f, /* reg. 0x12: Set to maximum gain */ > + 0x90, /* reg. 0x13: Enable IX2, Set to Middle Gain: 0x08, Low Gain: > 0x00, High Gain: 0x10 */ > + 0x00, /* reg. 0x14 */ > + 0x04, /* reg. 0x15: Enable LNA COMPS */ > + }; > + > + switch (priv->xtal_freq) { > + case FC_XTAL_27_MHZ: > + case FC_XTAL_28_8_MHZ: > + reg[0x07] |= 0x20; > + break; > + case FC_XTAL_36_MHZ: > + default: > + break; > + } > + for (i = 1; i < sizeof(reg); i++) { > + ret = fc0012_writereg(priv, i, reg[i]); > + if (ret) > + break; > + } > + > + if (ret) > + deb_info("%s: failed:%d\n", __func__, ret); > + > + return ret; > +} > + > +static int fc0012_sleep(struct dvb_frontend *fe) > +{ > + /* nothing to do here */ > + return 0; > +} > + > +#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0) > +static int fc0012_set_params(struct dvb_frontend *fe) > +#else > +static int fc0012_set_params(struct dvb_frontend *fe, > + struct dvb_frontend_parameters *params) > +#endif > +{ > + struct fc0012_priv *priv = fe->tuner_priv; > + int ret; > +#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0) > + struct dtv_frontend_properties *p = &fe->dtv_property_cache; > + u32 freq = p->frequency / 1000; > + u32 delsys = p->delivery_system; > +#else > + u32 freq = params->frequency / 1000; > + u32 bw = 0; > +#endif > + unsigned char reg[0x16], am, pm, multi; > + unsigned long fVCO; > + unsigned short xtal_freq_khz_2, xin, xdiv; > + int vco_select = false; > + > + switch (priv->xtal_freq) { > + case FC_XTAL_27_MHZ: > + xtal_freq_khz_2 = 27000 / 2; > + break; > + case FC_XTAL_36_MHZ: > + xtal_freq_khz_2 = 36000 / 2; > + break; > + case FC_XTAL_28_8_MHZ: > + default: > + xtal_freq_khz_2 = 28800 / 2; > + break; > + } > + > + /* select frequency divider and the frequency of VCO */ > + if (freq * 96 < 3560000) { > + multi = 96; > + reg[5] = 0x82; > + reg[6] = 0x00; > + } else if (freq * 64 < 3560000) { > + multi = 64; > + reg[5] = 0x82; > + reg[6] = 0x02; > + } else if (freq * 48 < 3560000) { > + multi = 48; > + reg[5] = 0x42; > + reg[6] = 0x00; > + } else if (freq * 32 < 3560000) { > + multi = 32; > + reg[5] = 0x42; > + reg[6] = 0x02; > + } else if (freq * 24 < 3560000) { > + multi = 24; > + reg[5] = 0x22; > + reg[6] = 0x00; > + } else if (freq * 16 < 3560000) { > + multi = 16; > + reg[5] = 0x22; > + reg[6] = 0x02; > + } else if (freq * 12 < 3560000) { > + multi = 12; > + reg[5] = 0x12; > + reg[6] = 0x00; > + } else if (freq * 8 < 3560000) { > + multi = 8; > + reg[5] = 0x12; > + reg[6] = 0x02; > + } else if (freq * 6 < 3560000) { > + multi = 6; > + reg[5] = 0x0a; > + reg[6] = 0x00; > + } else { > + multi = 4; > + reg[5] = 0x0a; > + reg[6] = 0x02; > + } > + > + fVCO = freq * multi; > + > + if (fVCO >= 3060000) { > + reg[6] |= 0x08; > + vco_select = true; > + } > + > + if (freq >= 45000) { > + /* From divided value (XDIV) determined the FA and FP value */ > + xdiv = (unsigned short)(fVCO / xtal_freq_khz_2); > + if ((fVCO - xdiv * xtal_freq_khz_2) >= (xtal_freq_khz_2 / 2)) > + xdiv++; > + > + pm = (unsigned char)(xdiv / 8); > + am = (unsigned char)(xdiv - (8 * pm)); > + > + if (am < 2) { > + reg[1] = am + 8; > + reg[2] = pm - 1; > + } else { > + reg[1] = am; > + reg[2] = pm; > + } > + } else { > + /* fix for frequency less than 45 MHz */ > + reg[1] = 0x06; > + reg[2] = 0x11; > + } > + > + /* fix clock out */ > + reg[6] |= 0x20; > + > + /* From VCO frequency determines the XIN ( fractional part of Delta > + Sigma PLL) and divided value (XDIV) */ > + xin = (unsigned short)(fVCO - (fVCO / xtal_freq_khz_2) * > xtal_freq_khz_2); > + xin = (xin << 15) / xtal_freq_khz_2; > + if (xin >= 16384) > + xin += 32768; > + > + reg[3] = xin >> 8; /* xin with 9 bit resolution */ > + reg[4] = xin & 0xff; > + > +#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0) > + if (delsys == SYS_DVBT) { > + reg[6] &= 0x3f; /* bits 6 and 7 describe the bandwidth */ > + switch (p->bandwidth_hz) { > + case 6000000: > + reg[6] |= 0x80; > + break; > + case 7000000: > + reg[6] |= 0x40; > + break; > + case 8000000: > + default: > + break; > + } > +#else > + if (fe->ops.info.type == FE_OFDM) { > + reg[6] &= 0x3f; /* bits 6 and 7 describe the bandwidth */ > + switch (params->u.ofdm.bandwidth) { > + case BANDWIDTH_6_MHZ: > + bw = 6000000; > + reg[6] |= 0x80; > + break; > + case BANDWIDTH_7_MHZ: > + bw = 7000000; > + reg[6] |= 0x40; > + break; > + case BANDWIDTH_8_MHZ: > + default: > + bw = 8000000; > + break; > + } > +#endif > + } else { > + err("%s: modulation type not supported!\n", __func__); > + return -EINVAL; > + } > + > + /* modified for Realtek demod */ > + reg[5] |= 0x07; > + > + ret = fc0012_writeregs(priv, 1, ®[1], 6); > + if (ret) > + goto error_out; > + > + /* VCO Calibration */ > + ret = fc0012_writereg(priv, 0x0e, 0x80); > + if (!ret) > + ret = fc0012_writereg(priv, 0x0e, 0x00); > + /* VCO Re-Calibration if needed */ > + if (!ret) > + ret = fc0012_writereg(priv, 0x0e, 0x00); > + > + if (!ret) { > + msleep(10); > + ret = fc0012_readreg(priv, 0x0e, ®[0x0e]); > + } > + if (ret) > + goto error_out; > + > + /* vco selection */ > + reg[0x0e] &= 0x3f; > + > + if (vco_select) { > + if (reg[0x0e] > 0x3c) { > + reg[6] &= ~0x08; > + ret = fc0012_writereg(priv, 0x06, reg[6]); > + if (!ret) > + ret = fc0012_writereg(priv, 0x0e, 0x80); > + if (!ret) > + ret = fc0012_writereg(priv, 0x0e, 0x00); > + } > + } else { > + if (reg[0x0e] < 0x02) { > + reg[6] |= 0x08; > + ret = fc0012_writereg(priv, 0x06, reg[6]); > + if (!ret) > + ret = fc0012_writereg(priv, 0x0e, 0x80); > + if (!ret) > + ret = fc0012_writereg(priv, 0x0e, 0x00); > + } > + } > + > + priv->frequency = freq; > +#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0) > + priv->bandwidth = p->bandwidth_hz; > +#else > + priv->bandwidth = bw; > +#endif > + > +error_out: > + return ret; > +} > + > +static int fc0012_get_frequency(struct dvb_frontend *fe, u32 *frequency) > +{ > + struct fc0012_priv *priv = fe->tuner_priv; > + *frequency = priv->frequency; > + return 0; > +} > + > +#ifdef DEFINED_GET_IF_FREQUENCY > +static int fc0012_get_if_frequency(struct dvb_frontend *fe, u32 *frequency) > +{ > + /* CHECK: always ? */ > + *frequency = 0; > + return 0; > +} > +#endif > + > +static int fc0012_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth) > +{ > + struct fc0012_priv *priv = fe->tuner_priv; > + *bandwidth = priv->bandwidth; > + return 0; > +} > + > + > +static const struct dvb_tuner_ops fc0012_tuner_ops = { > + .info = { > + .name = "Fitipower FC0012", > + > + .frequency_min = 170000000, > + .frequency_max = 860000000, > + .frequency_step = 0, > + }, > + > + .release = fc0012_release, > + > + .init = fc0012_init, > + .sleep = fc0012_sleep, > + > + .set_params = fc0012_set_params, > + > + .get_frequency = fc0012_get_frequency, > +#ifdef DEFINED_GET_IF_FREQUENCY > + .get_if_frequency = fc0012_get_if_frequency, > +#endif > + .get_bandwidth = fc0012_get_bandwidth, > +}; > + > +struct dvb_frontend * fc0012_attach(struct dvb_frontend *fe, > + struct i2c_adapter *i2c, u8 i2c_address, > + enum fc0012_xtal_freq xtal_freq) > +{ > + struct fc0012_priv *priv = NULL; > + > + priv = kzalloc(sizeof(struct fc0012_priv), GFP_KERNEL); > + if (priv == NULL) > + return NULL; > + > + priv->i2c = i2c; > + priv->addr = i2c_address; > + priv->xtal_freq = xtal_freq; > + > + info("Fitipower FC0012 successfully attached."); > + > + fe->tuner_priv = priv; > + > + memcpy(&fe->ops.tuner_ops, &fc0012_tuner_ops, > + sizeof(struct dvb_tuner_ops)); > + > + return fe; > +} > +EXPORT_SYMBOL(fc0012_attach); > + > +MODULE_DESCRIPTION("Fitipower FC0012 silicon tuner driver"); > +MODULE_AUTHOR("Hans-Frieder Vogt "); > +MODULE_LICENSE("GPL"); > +MODULE_VERSION("0.1"); > diff -Nupr a/drivers/media/common/tuners/fc0012.h > b/drivers/media/common/tuners/fc0012.h > --- a/drivers/media/common/tuners/fc0012.h 1970-01-01 01:00:00.000000000 +0100 > +++ b/drivers/media/common/tuners/fc0012.h 2012-02-20 23:02:11.639876934 > +0100 > @@ -0,0 +1,49 @@ > +/* > + * Fitipower FC0012 tuner driver - include > + * > + * Copyright (C) 2012 Hans-Frieder Vogt > + * > + * This program is free software; you can redistribute it and/or modify > + * it under the terms of the GNU General Public License as published by > + * the Free Software Foundation; either version 2 of the License, or > + * (at your option) any later version. > + * > + * This program is distributed in the hope that it will be useful, > + * but WITHOUT ANY WARRANTY; without even the implied warranty of > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the > + * GNU General Public License for more details. > + * > + * You should have received a copy of the GNU General Public License > + * along with this program; if not, write to the Free Software > + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. > + */ > + > +#ifndef _FC0012_H_ > +#define _FC0012_H_ > + > +#include "dvb_frontend.h" > + > +enum fc0012_xtal_freq { > + FC_XTAL_27_MHZ, /* 27000000 */ > + FC_XTAL_28_8_MHZ, /* 28800000 */ > + FC_XTAL_36_MHZ, /* 36000000 */ > +}; > + > +#if defined(CONFIG_MEDIA_TUNER_FC0012) || \ > + (defined(CONFIG_MEDIA_TUNER_FC0012_MODULE) && defined(MODULE)) > +extern struct dvb_frontend *fc0012_attach(struct dvb_frontend *fe, > + struct i2c_adapter *i2c, > + u8 i2c_address, > + enum fc0012_xtal_freq xtal_freq); > +#else > +static inline struct dvb_frontend *fc0012_attach(struct dvb_frontend *fe, > + struct i2c_adapter *i2c, > + u8 i2c_address, > + enum fc0012_xtal_freq xtal_freq) > +{ > + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); > + return NULL; > +} > +#endif > + > +#endif > diff -Nupr a/drivers/media/common/tuners/fc0012-priv.h > b/drivers/media/common/tuners/fc0012-priv.h > --- a/drivers/media/common/tuners/fc0012-priv.h 1970-01-01 01:00:00.000000000 > +0100 > +++ b/drivers/media/common/tuners/fc0012-priv.h 2012-02-19 > 17:37:46.770986275 +0100 > @@ -0,0 +1,50 @@ > +/* > + * Fitipower FC0012 tuner driver - private includes > + * > + * Copyright (C) 2012 Hans-Frieder Vogt > + * > + * This program is free software; you can redistribute it and/or modify > + * it under the terms of the GNU General Public License as published by > + * the Free Software Foundation; either version 2 of the License, or > + * (at your option) any later version. > + * > + * This program is distributed in the hope that it will be useful, > + * but WITHOUT ANY WARRANTY; without even the implied warranty of > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the > + * GNU General Public License for more details. > + * > + * You should have received a copy of the GNU General Public License > + * along with this program; if not, write to the Free Software > + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. > + */ > + > +#ifndef _FC0012_PRIV_H_ > +#define _FC0012_PRIV_H_ > + > +#define LOG_PREFIX "fc0012" > + > +#define dprintk(var, level, args...) \ > + do { \ > + if ((var & level)) \ > + printk(args); \ > + } while (0) > + > +#define deb_info(args...) dprintk(fc0012_debug, 0x01, args) > + > +#undef err > +#define err(f, arg...) printk(KERN_ERR LOG_PREFIX": " f "\n" , ## arg) > +#undef info > +#define info(f, arg...) printk(KERN_INFO LOG_PREFIX": " f "\n" , ## arg) > +#undef warn > +#define warn(f, arg...) printk(KERN_WARNING LOG_PREFIX": " f "\n" , ## arg) > + > +struct fc0012_priv { > + struct i2c_adapter *i2c; > + u8 addr; > + u8 xtal_freq; > + > + u32 frequency; > + u32 bandwidth; > +}; > + > +#endif > diff -Nupr a/drivers/media/common/tuners/Kconfig > b/drivers/media/common/tuners/Kconfig > --- a/drivers/media/common/tuners/Kconfig 2012-01-08 05:45:35.000000000 +0100 > +++ b/drivers/media/common/tuners/Kconfig 2012-02-20 23:04:29.435357491 > +0100 > @@ -211,4 +211,11 @@ config MEDIA_TUNER_TDA18212 > help > NXP TDA18212 silicon tuner driver. > > +config MEDIA_TUNER_FC0012 > + tristate "Fitipower FC0012 silicon tuner" > + depends on VIDEO_MEDIA && I2C > + default m if MEDIA_TUNER_CUSTOMISE > + help > + Fitipower FC0012 silicon tuner driver. > + > endmenu > diff -Nupr a/drivers/media/common/tuners/Makefile > b/drivers/media/common/tuners/Makefile > --- a/drivers/media/common/tuners/Makefile 2012-01-05 05:45:47.000000000 +0100 > +++ b/drivers/media/common/tuners/Makefile 2012-02-20 23:01:14.010487009 > +0100 > @@ -28,6 +28,7 @@ obj-$(CONFIG_MEDIA_TUNER_MC44S803) += mc > obj-$(CONFIG_MEDIA_TUNER_MAX2165) += max2165.o > obj-$(CONFIG_MEDIA_TUNER_TDA18218) += tda18218.o > obj-$(CONFIG_MEDIA_TUNER_TDA18212) += tda18212.o > +obj-$(CONFIG_MEDIA_TUNER_FC0012) += fc0012.o > > ccflags-y += -Idrivers/media/dvb/dvb-core > ccflags-y += -Idrivers/media/dvb/frontends > > > Hans-Frieder Vogt e-mail: hfvogt gmx .dot. net > -- > To unsubscribe from this list: send the line "unsubscribe linux-media" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html Patched git://linuxtv.org/media_build.git with your Fitipower FC0012 tuner driver(fc0012.patch) got here: .. CC [M] /tmp/media_build/v4l/fc0012.o /tmp/media_build/v4l/tda18212.c:21:0: warning: "pr_fmt" redefined [enabled by default] include/linux/printk.h:152:0: note: this is the location of the previous definition /tmp/media_build/v4l/fc0012.c:146:16: warning: 'struct dvb_frontend_parameters' declared inside parameter list [enabled by default] /tmp/media_build/v4l/fc0012.c:146:16: warning: its scope is only this definition or declaration, which is probably not what you want [enabled by default] /tmp/media_build/v4l/fc0012.c: In function 'fc0012_set_params': /tmp/media_build/v4l/fc0012.c:156:19: error: dereferencing pointer to incomplete type /tmp/media_build/v4l/fc0012.c:279:17: error: dereferencing pointer to incomplete type /tmp/media_build/v4l/fc0012.c:280:8: error: 'BANDWIDTH_6_MHZ' undeclared (first use in this function) /tmp/media_build/v4l/fc0012.c:280:8: note: each undeclared identifier is reported only once for each function it appears in /tmp/media_build/v4l/fc0012.c:284:8: error: 'BANDWIDTH_7_MHZ' undeclared (first use in this function) /tmp/media_build/v4l/fc0012.c:288:8: error: 'BANDWIDTH_8_MHZ' undeclared (first use in this function) /tmp/media_build/v4l/fc0012.c: At top level: /tmp/media_build/v4l/fc0012.c:393:9: warning: initialization from incompatible pointer type [enabled by default] /tmp/media_build/v4l/fc0012.c:393:9: warning: (near initialization for 'fc0012_tuner_ops.set_params') [enabled by default] make[3]: *** [/tmp/media_build/v4l/fc0012.o] Error 1 make[3]: *** Waiting for unfinished jobs.... make[2]: *** [_module_/tmp/media_build/v4l] Error 2 make[2]: Leaving directory `/usr/src/kernels/3.2.9-2.fc16.x86_64' make[1]: *** [default] Error 2 make[1]: Leaving directory `/tmp/media_build/v4l' make: *** [all] Error 2 rgds, poma diff -Nupr a/drivers/media/common/tuners/fc0012.c b/drivers/media/common/tuners/fc0012.c --- a/drivers/media/common/tuners/fc0012.c 1970-01-01 01:00:00.000000000 +0100 +++ b/drivers/media/common/tuners/fc0012.c 2012-02-19 17:37:27.364482154 +0100 @@ -0,0 +1,430 @@ +/* + * Fitipower FC0012 tuner driver + * + * Copyright (C) 2012 Hans-Frieder Vogt + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include +#include "fc0012.h" +#include "fc0012-priv.h" + +static int fc0012_debug; +module_param_named(debug, fc0012_debug, int, 0644); +MODULE_PARM_DESC(debug, "Select debug level (default: debug off)"); + +/* the FC0012 seems to have only byte access to the registers */ +static int fc0012_writeregs(struct fc0012_priv *priv, u8 reg, u8 *val, int len) +{ + u8 buf[1+len]; + struct i2c_msg msg = { .addr = priv->addr, + .flags = 0, .buf = buf, .len = sizeof(buf) }; + + buf[0] = reg; + memcpy(&buf[1], val, len); + + msleep(1); + if (i2c_transfer(priv->i2c, &msg, 1) != 1) { + err("I2C write regs failed, reg: %02x, val[0]: %02x", + reg, val[0]); + return -EREMOTEIO; + } + return 0; +} + +static int fc0012_writereg(struct fc0012_priv *priv, u8 reg, u8 val) +{ + u8 buf[2] = {reg, val}; + struct i2c_msg msg = { .addr = priv->addr, + .flags = 0, .buf = buf, .len = 2 }; + + msleep(1); + if (i2c_transfer(priv->i2c, &msg, 1) != 1) { + err("I2C write reg failed, reg: %02x, val: %02x", reg, val); + return -EREMOTEIO; + } + return 0; +} + +static int fc0012_readreg(struct fc0012_priv *priv, u8 reg, u8 *val) +{ + struct i2c_msg msg[2] = { + { .addr = priv->addr, + .flags = 0, .buf = ®, .len = 1 }, + { .addr = priv->addr, + .flags = I2C_M_RD, .buf = val, .len = 1 }, + }; + + if (i2c_transfer(priv->i2c, msg, 2) != 2) { + err("I2C read failed, reg: %02x", reg); + return -EREMOTEIO; + } + return 0; +} + +static int fc0012_release(struct dvb_frontend *fe) +{ + kfree(fe->tuner_priv); + fe->tuner_priv = NULL; + return 0; +} + +static int fc0012_init(struct dvb_frontend *fe) +{ + struct fc0012_priv *priv = fe->tuner_priv; + int ret = 0; + u8 i; + unsigned char reg[] = { + 0x00, /* dummy reg. 0 */ + 0x05, /* reg. 0x01 */ + 0x10, /* reg. 0x02 */ + 0x00, /* reg. 0x03 */ + 0x00, /* reg. 0x04 */ + 0x0a, /* reg. 0x05 CHECK: correct? */ + 0x00, /* reg. 0x06: divider 2, VCO slow */ + 0x0f, /* reg. 0x07 */ + 0xff, /* reg. 0x08: AGC Clock divide by 256, AGC gain 1/256, Loop Bw 1/8 */ + 0x6e, /* reg. 0x09: Disable LoopThrough */ + 0xb8, /* reg. 0x0a: Disable LO Test Buffer */ + 0x83, /* reg. 0x0b: Output Clock is same as clock frequency */ + 0xfe, /* reg. 0x0c: depending on AGC Up-Down mode, may need 0xf8 */ + 0x02, /* reg. 0x0d: AGC Not Forcing & LNA Forcing, 0x02 for DVB-T */ + 0x00, /* reg. 0x0e */ + 0x00, /* reg. 0x0f */ + 0x0d, /* reg. 0x10 */ + 0x00, /* reg. 0x11 */ + 0x1f, /* reg. 0x12: Set to maximum gain */ + 0x90, /* reg. 0x13: Enable IX2, Set to Middle Gain: 0x08, Low Gain: 0x00, High Gain: 0x10 */ + 0x00, /* reg. 0x14 */ + 0x04, /* reg. 0x15: Enable LNA COMPS */ + }; + + switch (priv->xtal_freq) { + case FC_XTAL_27_MHZ: + case FC_XTAL_28_8_MHZ: + reg[0x07] |= 0x20; + break; + case FC_XTAL_36_MHZ: + default: + break; + } + for (i = 1; i < sizeof(reg); i++) { + ret = fc0012_writereg(priv, i, reg[i]); + if (ret) + break; + } + + if (ret) + deb_info("%s: failed:%d\n", __func__, ret); + + return ret; +} + +static int fc0012_sleep(struct dvb_frontend *fe) +{ + /* nothing to do here */ + return 0; +} + +#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0) +static int fc0012_set_params(struct dvb_frontend *fe) +#else +static int fc0012_set_params(struct dvb_frontend *fe, + struct dvb_frontend_parameters *params) +#endif +{ + struct fc0012_priv *priv = fe->tuner_priv; + int ret; +#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0) + struct dtv_frontend_properties *p = &fe->dtv_property_cache; + u32 freq = p->frequency / 1000; + u32 delsys = p->delivery_system; +#else + u32 freq = params->frequency / 1000; + u32 bw = 0; +#endif + unsigned char reg[0x16], am, pm, multi; + unsigned long fVCO; + unsigned short xtal_freq_khz_2, xin, xdiv; + int vco_select = false; + + switch (priv->xtal_freq) { + case FC_XTAL_27_MHZ: + xtal_freq_khz_2 = 27000 / 2; + break; + case FC_XTAL_36_MHZ: + xtal_freq_khz_2 = 36000 / 2; + break; + case FC_XTAL_28_8_MHZ: + default: + xtal_freq_khz_2 = 28800 / 2; + break; + } + + /* select frequency divider and the frequency of VCO */ + if (freq * 96 < 3560000) { + multi = 96; + reg[5] = 0x82; + reg[6] = 0x00; + } else if (freq * 64 < 3560000) { + multi = 64; + reg[5] = 0x82; + reg[6] = 0x02; + } else if (freq * 48 < 3560000) { + multi = 48; + reg[5] = 0x42; + reg[6] = 0x00; + } else if (freq * 32 < 3560000) { + multi = 32; + reg[5] = 0x42; + reg[6] = 0x02; + } else if (freq * 24 < 3560000) { + multi = 24; + reg[5] = 0x22; + reg[6] = 0x00; + } else if (freq * 16 < 3560000) { + multi = 16; + reg[5] = 0x22; + reg[6] = 0x02; + } else if (freq * 12 < 3560000) { + multi = 12; + reg[5] = 0x12; + reg[6] = 0x00; + } else if (freq * 8 < 3560000) { + multi = 8; + reg[5] = 0x12; + reg[6] = 0x02; + } else if (freq * 6 < 3560000) { + multi = 6; + reg[5] = 0x0a; + reg[6] = 0x00; + } else { + multi = 4; + reg[5] = 0x0a; + reg[6] = 0x02; + } + + fVCO = freq * multi; + + if (fVCO >= 3060000) { + reg[6] |= 0x08; + vco_select = true; + } + + if (freq >= 45000) { + /* From divided value (XDIV) determined the FA and FP value */ + xdiv = (unsigned short)(fVCO / xtal_freq_khz_2); + if ((fVCO - xdiv * xtal_freq_khz_2) >= (xtal_freq_khz_2 / 2)) + xdiv++; + + pm = (unsigned char)(xdiv / 8); + am = (unsigned char)(xdiv - (8 * pm)); + + if (am < 2) { + reg[1] = am + 8; + reg[2] = pm - 1; + } else { + reg[1] = am; + reg[2] = pm; + } + } else { + /* fix for frequency less than 45 MHz */ + reg[1] = 0x06; + reg[2] = 0x11; + } + + /* fix clock out */ + reg[6] |= 0x20; + + /* From VCO frequency determines the XIN ( fractional part of Delta + Sigma PLL) and divided value (XDIV) */ + xin = (unsigned short)(fVCO - (fVCO / xtal_freq_khz_2) * xtal_freq_khz_2); + xin = (xin << 15) / xtal_freq_khz_2; + if (xin >= 16384) + xin += 32768; + + reg[3] = xin >> 8; /* xin with 9 bit resolution */ + reg[4] = xin & 0xff; + +#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0) + if (delsys == SYS_DVBT) { + reg[6] &= 0x3f; /* bits 6 and 7 describe the bandwidth */ + switch (p->bandwidth_hz) { + case 6000000: + reg[6] |= 0x80; + break; + case 7000000: + reg[6] |= 0x40; + break; + case 8000000: + default: + break; + } +#else + if (fe->ops.info.type == FE_OFDM) { + reg[6] &= 0x3f; /* bits 6 and 7 describe the bandwidth */ + switch (params->u.ofdm.bandwidth) { + case BANDWIDTH_6_MHZ: + bw = 6000000; + reg[6] |= 0x80; + break; + case BANDWIDTH_7_MHZ: + bw = 7000000; + reg[6] |= 0x40; + break; + case BANDWIDTH_8_MHZ: + default: + bw = 8000000; + break; + } +#endif + } else { + err("%s: modulation type not supported!\n", __func__); + return -EINVAL; + } + + /* modified for Realtek demod */ + reg[5] |= 0x07; + + ret = fc0012_writeregs(priv, 1, ®[1], 6); + if (ret) + goto error_out; + + /* VCO Calibration */ + ret = fc0012_writereg(priv, 0x0e, 0x80); + if (!ret) + ret = fc0012_writereg(priv, 0x0e, 0x00); + /* VCO Re-Calibration if needed */ + if (!ret) + ret = fc0012_writereg(priv, 0x0e, 0x00); + + if (!ret) { + msleep(10); + ret = fc0012_readreg(priv, 0x0e, ®[0x0e]); + } + if (ret) + goto error_out; + + /* vco selection */ + reg[0x0e] &= 0x3f; + + if (vco_select) { + if (reg[0x0e] > 0x3c) { + reg[6] &= ~0x08; + ret = fc0012_writereg(priv, 0x06, reg[6]); + if (!ret) + ret = fc0012_writereg(priv, 0x0e, 0x80); + if (!ret) + ret = fc0012_writereg(priv, 0x0e, 0x00); + } + } else { + if (reg[0x0e] < 0x02) { + reg[6] |= 0x08; + ret = fc0012_writereg(priv, 0x06, reg[6]); + if (!ret) + ret = fc0012_writereg(priv, 0x0e, 0x80); + if (!ret) + ret = fc0012_writereg(priv, 0x0e, 0x00); + } + } + + priv->frequency = freq; +#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0) + priv->bandwidth = p->bandwidth_hz; +#else + priv->bandwidth = bw; +#endif + +error_out: + return ret; +} + +static int fc0012_get_frequency(struct dvb_frontend *fe, u32 *frequency) +{ + struct fc0012_priv *priv = fe->tuner_priv; + *frequency = priv->frequency; + return 0; +} + +#ifdef DEFINED_GET_IF_FREQUENCY +static int fc0012_get_if_frequency(struct dvb_frontend *fe, u32 *frequency) +{ + /* CHECK: always ? */ + *frequency = 0; + return 0; +} +#endif + +static int fc0012_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth) +{ + struct fc0012_priv *priv = fe->tuner_priv; + *bandwidth = priv->bandwidth; + return 0; +} + + +static const struct dvb_tuner_ops fc0012_tuner_ops = { + .info = { + .name = "Fitipower FC0012", + + .frequency_min = 170000000, + .frequency_max = 860000000, + .frequency_step = 0, + }, + + .release = fc0012_release, + + .init = fc0012_init, + .sleep = fc0012_sleep, + + .set_params = fc0012_set_params, + + .get_frequency = fc0012_get_frequency, +#ifdef DEFINED_GET_IF_FREQUENCY + .get_if_frequency = fc0012_get_if_frequency, +#endif + .get_bandwidth = fc0012_get_bandwidth, +}; + +struct dvb_frontend * fc0012_attach(struct dvb_frontend *fe, + struct i2c_adapter *i2c, u8 i2c_address, + enum fc0012_xtal_freq xtal_freq) +{ + struct fc0012_priv *priv = NULL; + + priv = kzalloc(sizeof(struct fc0012_priv), GFP_KERNEL); + if (priv == NULL) + return NULL; + + priv->i2c = i2c; + priv->addr = i2c_address; + priv->xtal_freq = xtal_freq; + + info("Fitipower FC0012 successfully attached."); + + fe->tuner_priv = priv; + + memcpy(&fe->ops.tuner_ops, &fc0012_tuner_ops, + sizeof(struct dvb_tuner_ops)); + + return fe; +} +EXPORT_SYMBOL(fc0012_attach); + +MODULE_DESCRIPTION("Fitipower FC0012 silicon tuner driver"); +MODULE_AUTHOR("Hans-Frieder Vogt "); +MODULE_LICENSE("GPL"); +MODULE_VERSION("0.1"); diff -Nupr a/drivers/media/common/tuners/fc0012.h b/drivers/media/common/tuners/fc0012.h --- a/drivers/media/common/tuners/fc0012.h 1970-01-01 01:00:00.000000000 +0100 +++ b/drivers/media/common/tuners/fc0012.h 2012-02-20 23:02:11.639876934 +0100 @@ -0,0 +1,49 @@ +/* + * Fitipower FC0012 tuner driver - include + * + * Copyright (C) 2012 Hans-Frieder Vogt + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef _FC0012_H_ +#define _FC0012_H_ + +#include "dvb_frontend.h" + +enum fc0012_xtal_freq { + FC_XTAL_27_MHZ, /* 27000000 */ + FC_XTAL_28_8_MHZ, /* 28800000 */ + FC_XTAL_36_MHZ, /* 36000000 */ +}; + +#if defined(CONFIG_MEDIA_TUNER_FC0012) || \ + (defined(CONFIG_MEDIA_TUNER_FC0012_MODULE) && defined(MODULE)) +extern struct dvb_frontend *fc0012_attach(struct dvb_frontend *fe, + struct i2c_adapter *i2c, + u8 i2c_address, + enum fc0012_xtal_freq xtal_freq); +#else +static inline struct dvb_frontend *fc0012_attach(struct dvb_frontend *fe, + struct i2c_adapter *i2c, + u8 i2c_address, + enum fc0012_xtal_freq xtal_freq) +{ + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); + return NULL; +} +#endif + +#endif diff -Nupr a/drivers/media/common/tuners/fc0012-priv.h b/drivers/media/common/tuners/fc0012-priv.h --- a/drivers/media/common/tuners/fc0012-priv.h 1970-01-01 01:00:00.000000000 +0100 +++ b/drivers/media/common/tuners/fc0012-priv.h 2012-02-19 17:37:46.770986275 +0100 @@ -0,0 +1,50 @@ +/* + * Fitipower FC0012 tuner driver - private includes + * + * Copyright (C) 2012 Hans-Frieder Vogt + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef _FC0012_PRIV_H_ +#define _FC0012_PRIV_H_ + +#define LOG_PREFIX "fc0012" + +#define dprintk(var, level, args...) \ + do { \ + if ((var & level)) \ + printk(args); \ + } while (0) + +#define deb_info(args...) dprintk(fc0012_debug, 0x01, args) + +#undef err +#define err(f, arg...) printk(KERN_ERR LOG_PREFIX": " f "\n" , ## arg) +#undef info +#define info(f, arg...) printk(KERN_INFO LOG_PREFIX": " f "\n" , ## arg) +#undef warn +#define warn(f, arg...) printk(KERN_WARNING LOG_PREFIX": " f "\n" , ## arg) + +struct fc0012_priv { + struct i2c_adapter *i2c; + u8 addr; + u8 xtal_freq; + + u32 frequency; + u32 bandwidth; +}; + +#endif diff -Nupr a/drivers/media/common/tuners/Kconfig b/drivers/media/common/tuners/Kconfig --- a/drivers/media/common/tuners/Kconfig 2012-01-08 05:45:35.000000000 +0100 +++ b/drivers/media/common/tuners/Kconfig 2012-02-20 23:04:29.435357491 +0100 @@ -211,4 +211,11 @@ config MEDIA_TUNER_TDA18212 help NXP TDA18212 silicon tuner driver. +config MEDIA_TUNER_FC0012 + tristate "Fitipower FC0012 silicon tuner" + depends on VIDEO_MEDIA && I2C + default m if MEDIA_TUNER_CUSTOMISE + help + Fitipower FC0012 silicon tuner driver. + endmenu diff -Nupr a/drivers/media/common/tuners/Makefile b/drivers/media/common/tuners/Makefile --- a/drivers/media/common/tuners/Makefile 2012-01-05 05:45:47.000000000 +0100 +++ b/drivers/media/common/tuners/Makefile 2012-02-20 23:01:14.010487009 +0100 @@ -28,6 +28,7 @@ obj-$(CONFIG_MEDIA_TUNER_MC44S803) += mc obj-$(CONFIG_MEDIA_TUNER_MAX2165) += max2165.o obj-$(CONFIG_MEDIA_TUNER_TDA18218) += tda18218.o obj-$(CONFIG_MEDIA_TUNER_TDA18212) += tda18212.o +obj-$(CONFIG_MEDIA_TUNER_FC0012) += fc0012.o ccflags-y += -I$(srctree)/drivers/media/dvb/dvb-core ccflags-y += -I$(srctree)/drivers/media/dvb/frontends